MIAMI INTERNATIONAL HOLDINGS, INC. — Form 4
Filed July 14, 2026 · analyzed by the Insider Agent
4
▼ Likely negative
significance 44/100
What the filing says
Chairman & CEO Gallagher Thomas P. (MIAX) sold 140K shares (~$3.0M) on the open market (7.5% of holdings). Open-market sale — often routine.
Why this rating
Open-market sale — often routine.
See more from July 14, 2026.
EDGAR·FLOW summarizes public SEC EDGAR filings with automated analysis. Materiality scores and stock-impact predictions are algorithmically generated and are not investment advice. Always verify against the source filing on SEC.gov.